According to University of Minnesota Extension Entomologist Ian MacRae, aphid numbers are up, but remain less than half the level seen one year ago. Most of this past week’s trap catches were cereal aphids. Soybean aphids are also starting to appear in most trapping locations. The peak aphid season would typically be the next two-to-three weeks.
Subscribe to RRFN
Get a weekly digest from RRFN to stay up-to-date on all the latest news in agriculture.